curl --request POST \
  --url https://{cluster}.cognitedata.com/api/v1/projects/{project}/streams \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "items": [
    "<unknown>"
  ]
}
'

{
  "items": [
    {
      "externalId": "test1",
      "createdTime": 1730204346000,
      "createdFromTemplate": "ImmutableTestStream",
      "type": "Immutable",
      "settings": {
        "lifecycle": {
          "retainedAfterSoftDelete": "P42D",
          "dataDeletedAfter": "P1Y"
        },
        "limits": {
          "maxRecordsTotal": {
            "provisioned": 1000,
            "consumed": 999
          },
          "maxGigaBytesTotal": {
            "provisioned": 1000,
            "consumed": 999
          },
          "maxFilteringInterval": "P1Y"
        }
      }
    }
  ]
}